
#include <iostream>

using namespace std;

/*
1 2 3 4
1
2
3
4
*/

int main(int argc, char **argv)
{
    int a, b, c, d;

    cin >> a >> b >> c >> d;

    cout << a << endl;
    cout << b << endl;
    cout << c << endl;
    cout << d << endl;



    return 0;
}